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Additionally service for the remaining WKZ units was carried out.
Meanwhile, a 100 kW turbine was designed and represented the
company's step into its own wind turbine development. In 1994,
a 250 kW model followed. Both types together sold about 40 times.
In 1996, the FL 800 rated at 800 kW was introduced. It actually
was seen as the step into the MW-class, that was realised in 1998,
with a 1 MW turbine called FL 1000.
Until 1999 Fuhrländer preferred using stall-regulated
machines. That changed when the engineering firm pro+pro was
looking for potential companies to serially produce its own 1.5 MW
turbine called MD 70. Fuhrländer started a license production
of pro+pro's MD 70 and later MD 77. In 2000, the company was
changed to a stock corporation but without being listed on the stock
market. A further step was taken when Fuhrländer took over the
business of Pfleiderer, who developed pitch-regulated 600 kW and
1.5 MW turbines but never realised serial production. The former
Pfleiderer turbines were developed further and are still part of
the Fuhrländer turbine portfolio. These types have been made on
license in central countries, China, Brasil, the United States, etc. In
2005, Fuhrländer introduced another innovative turbine: The FL
2500 (2.5 MW) incorporated a new drive train construction with
a three-row roller bearing for the rotor instead of two bearings
on a single shaft. In the recent years Fuhrländer moved its main
production facilities to a larger industrial area close to the airport
of Siegerland, since the Waigandshain location became too small
for manufacturing multi-megawatt turbines. The production of the
new FL 3000, planned for 2012, already benefits from this new
location.
Seewind: 1989-2012
Seewind was a company from Walzbachtal-Jöhlingen, southern
Germany. Gerd Seel, the founder, developed a wind turbine for
lower wind speed areas. By 1990, he had completed a prototype,
set up near Walzbachtal. It was a 110 kW three-bladed upwind
machine equipped with feathered blade tips to increase rotor
output, which was unique at that time. Seewind produced almost
all components on its own. The 110 kW machine was the company's
most successful design with more than 60 units sold. By 1997, a
750 kW model was developed but few prototypes were erected.
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